I roto i ngā ara iahiko RF me ngā ara iahiko ngaruiti, ko ngā porowhita hiko me ngā mea wehewehe he taputapu nui e rua e whakamahia whānuitia ana nā ō rāua mahi me ā rāua tono ahurei. Mā te mārama ki ō rāua āhuatanga, mahi me ngā horopaki tono ka āwhina i ngā kaihangarau ki te whiriwhiri i ngā otinga tika i roto i ngā hoahoa tūturu, ā, mā reira ka whakapai ake i te mahi me te pono o te pūnaha.
1. Pūreretā: Kaiwhakahaere ahunga o ngā tohu
1. He aha te mea he porowhita?
He taputapu kore-tauutuutu te porowhita e whakamahi ana i ngā rauemi ferrite me te papa aukume o waho hei whakatutuki i te tuku tohu kotahi-angi. E toru ngā tauranga o te nuinga o te wā, ā, ka taea anake te tuku tohu i waenga i ngā tauranga i roto i te ahunga pumau. Hei tauira, mai i te tauranga 1 ki te tauranga 2, mai i te tauranga 2 ki te tauranga 3, me te tauranga 3 hoki ki te tauranga 1.
2. Ngā mahi matua o te mīhini hurihanga
Te tohatoha me te hanumi tohu: te tohatoha i ngā tohu tāuru ki ngā tauranga putanga rerekē i roto i te ahunga pumau, te whakakotahi rānei i ngā tohu mai i ngā tauranga maha ki te tauranga kotahi.
Te wehewehe tuku me te whiwhi: ka whakamahia hei takirua hei whakatutuki i te wehenga o te tuku me te whiwhi tohu i roto i te pūihi kotahi.
3. Ngā āhuatanga o ngā pūwhakawhitiwhiti
Kore-tauutuutu: ka taea anake te tuku tohu i te huarahi kotahi, kia kore ai e pokanoa whakamuri.
He iti te ngaronga whakaurunga: he iti te ngaronga mana i te wā e tuku tohu ana, he tino pai mō ngā tono auau-tiketike.
Tautoko whānui: ka taea te hipoki i te awhe auau whānui mai i MHz ki GHz.
4. Ngā whakamahinga noa o ngā pūwero
Pūnaha radar: e wehe ana i te tuku mai i te kaiwhiwhi hei ārai i ngā tohu tuku mana-nui kei kino ki te taputapu e whiwhi ana.
Pūnaha whakawhitiwhiti kōrero: e whakamahia ana mō te tohatoha tohu me te whakawhiti i ngā rarangi maha-pūihi.
Pūnaha pūihi: e tautoko ana i te wehewehe i ngā tohu kua tukuna me ngā tohu kua whiwhi hei whakapai ake i te pumau o te pūnaha.
II. Kaiwhakawehe: ārai tiaki tohu
1. He aha te mea he mea wehewehe?
He momo motuhake ngā mea wehewehe i ngā pūhiko whakawhiti, e rua noa iho ngā putanga. Ko tana mahi matua he pehi i te whakaata me te rere whakamuri o te tohu, hei tiaki i ngā taputapu tairongo mai i te pokanoa.
2. Ngā mahi matua o ngā kaiwehewehe
Te wehewehe tohu: ārai i ngā tohu whakaata kei rere whakamuri ki ngā taputapu o mua (pērā i ngā tuku me ngā whakakaha hiko) kia kore ai e wera rawa, e heke rānei te mahi a te taputapu.
Te tiakitanga pūnaha: i roto i ngā ara iahiko matatini, ka taea e ngā kaiwhakawehe te ārai i te pokanoa i waenga i ngā kōwae tata me te whakapai ake i te pono o te pūnaha.
3. Ngā āhuatanga o ngā kaiwehewehe
Tuku kotahi-angihanga: ka taea anake te tuku i te tohu mai i te pito whakauru ki te pito putanga, ā, ka pehia, ka mimitihia rānei te tohu whakamuri.
Te wehenga teitei: he tino kaha te pehi i ngā tohu whakaata, tae atu ki te 20dB, neke atu rānei.
Te iti o te ngaronga whakaurunga: ka whakarite kia iti rawa te ngaronga mana i te wā e tukuna ana te tohu noa.
4. Ngā whakamahinga noa o ngā kaiwehewehe
Te tiaki i te whakakaha RF: te ārai i ngā tohu whakaata kei puta he mahi kore pumau, he kino rānei ki te whakakaha.
Pūnaha whakawhitiwhiti kōrero ahokore: wehea te kōwae RF i roto i te pūnaha pūihi teihana turanga.
Ngā taputapu whakamātautau: whakakorea ngā tohu whakaata i roto i te taputapu ine hei whakapai ake i te tika o te whakamātautau.
III. Me pēhea te whiriwhiri i te taputapu tika?
I te wā e hoahoa ana i ngā ara iahiko RF, i ngā ara iahiko ngaruiti rānei, me whiriwhiri te porohita, te wehewehe rānei i runga i ngā whakaritenga tono motuhake:
Mena me tohatoha, me whakakotahi rānei ngā tohu i waenga i ngā tauranga maha, he pai ake te whakamahi i ngā porowhita whakawhiti.
Mena ko te kaupapa matua he tiaki i te taputapu, he whakaiti rānei i te pokanoa mai i ngā tohu whakaata, he pai ake te whiriwhiri i ngā taputapu wehe.
Hei tāpiritanga, me whai whakaaro whānuitia ngā whakaritenga mō te awhe auau, te ngaronga whakaurunga, te wehenga me te rahi o te taputapu kia tutuki ai ngā tohu mahi o te pūnaha motuhake.
IV. Ngā Auahatanga Whanaketanga ā-Mārama
I te whanaketanga o te hangarau whakawhitiwhiti ahokore, kei te piki haere tonu te hiahia mō te whakaiti me te mahi teitei o ngā taputapu RF me te ngaruiti. Kei te whanake haere hoki ngā taputapu tohatoha me ngā taputapu wehewehe i ngā huarahi e whai ake nei:
Tautoko auau teitei ake: tautoko i ngā roopu ngaru mirimita (pēnei i te 5G me te radar ngaru mirimita).
Hoahoa whakauru: kua whakaurua ki ētahi atu taputapu RF (pēnei i ngā tātari me ngā wehewehe hiko) hei arotau i te mahi a te pūnaha.
Te iti o te utu me te whakaitiiti: whakamahia ngā rauemi hou me ngā tukanga hanga hei whakaiti i ngā utu me te urutau ki ngā whakaritenga taputapu taunga.
Wā tuku: Whiringa-ā-rangi 20-2024
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